Wireless near-field gas sensor system and methods of manufacturing the same
First Claim
Patent Images
1. A wireless near-field gas sensor system comprising a wireless communications tag and a printed gas sensor, wherein:
- the wireless communications tag comprises a wireless communications integrated circuit and a wireless antenna; and
the printed gas sensor comprises;
a sensor housing having one or more gas access regions;
an electrolyte cavity positioned within the sensor housing;
an electrolyte housed within the electrolyte cavity;
one or more electrodes positioned within the electrolyte cavity in electrochemical engagement with the electrolyte; and
a printed resistor communicatively coupled the one or more electrodes and the wireless communications tag.
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Abstract
A wireless near-field gas sensor system includes a wireless communications tag and a printed gas sensor. The wireless communications tag includes an integrated circuit and a wireless antenna. The printed gas sensor includes a sensor housing having one or more gas access regions, an electrolyte cavity positioned within the sensor housing, an electrolyte housed within the electrolyte cavity, and one or more electrodes positioned within the electrolyte cavity in electrochemical engagement with the electrolyte, and a resistor communicatively coupled to the one or more electrodes and the wireless communications tag.
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Citations
55 Claims
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1. A wireless near-field gas sensor system comprising a wireless communications tag and a printed gas sensor, wherein:
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the wireless communications tag comprises a wireless communications integrated circuit and a wireless antenna; and the printed gas sensor comprises; a sensor housing having one or more gas access regions; an electrolyte cavity positioned within the sensor housing; an electrolyte housed within the electrolyte cavity; one or more electrodes positioned within the electrolyte cavity in electrochemical engagement with the electrolyte; and a printed resistor communicatively coupled the one or more electrodes and the wireless communications tag. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A method of manufacturing a wireless near-field gas sensor system, the method comprising:
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printing a printed wireless communications tag comprising a wireless communications integrated circuit and a printed wireless antenna; and forming a printed gas sensor, wherein forming the printed gas sensor comprises; forming a sensor housing having one or more gas access regions and an electrolyte cavity positioned within the sensor housing; printing one or more electrodes and positioning the one or more electrodes within the electrolyte cavity; disposing an electrolyte within the electrolyte cavity such that the one or more electrodes positioned within the electrolyte cavity are in electrochemical engagement with the electrolyte; and printing a resistor and positioning the resistor in electrical engagement with the one or more electrodes and a wireless communications tag, wherein the wireless communications tag comprises a wireless communications integrated circuit and a wireless antenna. - View Dependent Claims (42, 43, 44, 45, 46, 47)
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48. A wireless near-field gas sensor system comprising a wireless communications tag, a printed gas sensor, a signal amplifier, and a wireless reader, wherein:
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the wireless communications tag comprises a wireless communications integrated circuit, a wireless antenna, and a power harvesting circuit; the printed gas sensor comprises; a sensor housing having one or more gas access regions; an electrolyte cavity positioned within the sensor housing; an electrolyte housed within the electrolyte cavity; a working electrode positioned within the electrolyte cavity in electrochemical engagement with the electrolyte; a counter electrode; and a printed resistor communicatively coupled to the working electrode and the counter electrode; the signal amplifier is communicatively coupled to both the printed resistor of the printed gas sensor and the wireless communications tag; and the wireless reader is configured to output an interrogation signal to interrogate the wireless communications tag, wherein the power harvesting circuit of the wireless communications tag is structurally configured to harvest energy from an electromagnetic field produced by the wireless reader when the wireless reader interrogates the wireless communications tag. - View Dependent Claims (49, 50, 51)
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52. A wireless near-field gas sensor system comprising a wireless communications tag and a printed gas sensor, wherein:
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the wireless communications tag comprises a wireless communications integrated circuit and a wireless antenna; and the printed gas sensor comprises; a sensor housing having one or more gas access regions; an electrolyte cavity positioned within the sensor housing; an electrolyte housed within the electrolyte cavity; one or more electrodes positioned within the electrolyte cavity in electrochemical engagement with the electrolyte;
wherein;the one or more electrodes comprise a first electrode and a second electrode; the first electrode comprises a working electrode configured to electrochemically react with the electrolyte and a target gas to generate an electrical signal at the first electrode; and the second electrode comprises a counter electrode; and a resistor communicatively coupled to the one or more electrodes and the wireless communications tag, wherein the resistor is positioned between the working electrode and the counter electrode such that the electrical signal generated by the working electrode traverses the resistor.
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53. A wireless near-field gas sensor system comprising a wireless communications tag and a printed gas sensor, wherein:
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the wireless communications tag comprises a wireless communications integrated circuit and a wireless antenna; and the printed gas sensor comprises; a sensor housing having one or more gas access regions; an electrolyte cavity positioned within the sensor housing; an electrolyte housed within the electrolyte cavity; one or more electrodes positioned within the electrolyte cavity in electrochemical engagement with the electrolyte; and a resistor communicatively coupled to the one or more electrodes and the wireless communications tag, wherein the resistor comprises a range selectable resistor bank.
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54. A wireless near-field gas sensor system comprising a wireless communications tag and a printed gas sensor, wherein:
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the wireless communications tag comprises a wireless communications integrated circuit and a wireless antenna; and the printed gas sensor comprises; a sensor housing having one or more gas access regions; an electrolyte cavity positioned within the sensor housing; an electrolyte housed within the electrolyte cavity; one or more electrodes positioned within the electrolyte cavity in electrochemical engagement with the electrolyte, wherein the one or more electrodes comprise printed electrodes; and a resistor communicatively coupled to the one or more electrodes and the wireless communications tag; and a signal amplifier communicatively coupled to both the resistor of the printed gas sensor and the wireless communications tag. - View Dependent Claims (55)
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Specification